Properties of the Number -515761

Five Hundred Fifteen Thousand Seven Hundred Sixty-One

Basics

Value: -515762 → -515761 → -515760

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 515761

Divisors: 1, 515761

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111101111010110001

Octal: -1757261

Duodecimal: -20A581

Hexadecimal: -7deb1

Square: 266009409121

Square Root: 718.165022818572

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Pseudo-squares: a(n) = the least nonsquare positive integer which is 1 mod 8 and is a (nonzero) quadratic residue modulo the first n odd primes. A2189

Smallest prime p of form p = 8k+1 such that first n primes (p₁=2, ..., p_n) are quadratic residues mod p. A2224

Primes at which occur records of A205531 and A205535. A205532

Smallest prime p == 1 mod 8 (A007519) and p > prime(n+2) such that p is a quadratic residue mod the first n odd primes 3, 5, 7, 11, ..., prime(n+1), and p is a quadratic non-residue mod prime(n+2). A96637

Odd primes which set records for smallest absolute value of a quadratic nonresidue. A102295

Smallest nonsquare congruent to a square (mod k²) for all k = 1..n. A260709

Primes with 37 as smallest positive primitive root. A61739